1301864670505 has 24 divisors (see below), whose sum is σ = 1817351965512. Its totient is φ = 892680106752.

The previous prime is 1301864670487. The next prime is 1301864670541. The reversal of 1301864670505 is 5050764681031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 483874663321 + 817990007184 = 695611^2 + 904428^2 .

It is not a de Polignac number, because 1301864670505 - 2⁹ = 1301864669993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11249919 + ... + 11365051.

It is an arithmetic number, because the mean of its divisors is an integer number (75722998563).

Almost surely, 2^{1301864670505} is an apocalyptic number.

It is an amenable number.

1301864670505 is a deficient number, since it is larger than the sum of its proper divisors (515487295007).

1301864670505 is a wasteful number, since it uses less digits than its factorization.

1301864670505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161305 (or 161298 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 1301864670505 in words is "one trillion, three hundred one billion, eight hundred sixty-four million, six hundred seventy thousand, five hundred five".